Telephone base



FIG. 1 is a top elevation of the telephone base;

FIG. 2 is a front elevation thereof;

FIG. 3 is a rear elevation thereof;

FIG. 4 is a right side elevation thereof;

FIG. 5 is a left side elevation thereof;

FIG. 6 is a bottom elevation thereof; and,

FIG. 7 is a perspective view thereof.

All elements shown in broken lines are shown for illustrative purposes only and do not form part of the claimed design. 

The ornamental design for a telephone base, as shown and described. 